71052811 has 2 divisors, whose sum is σ = 71052812. Its totient is φ = 71052810.

The previous prime is 71052803. The next prime is 71052823. The reversal of 71052811 is 11825017.

It is a weak prime.

It is an emirp because it is prime and its reverse (11825017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71052811 - 2³ = 71052803 is a prime.

It is not a weakly prime, because it can be changed into another prime (71052851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35526405 + 35526406.

It is an arithmetic number, because the mean of its divisors is an integer number (35526406).

Almost surely, 2^71052811 is an apocalyptic number.

71052811 is a deficient number, since it is larger than the sum of its proper divisors (1).

71052811 is an equidigital number, since it uses as much as digits as its factorization.

71052811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 71052811 is about 8429.2829469653. The cubic root of 71052811 is about 414.1844165052.

Adding to 71052811 its reverse (11825017), we get a palindrome (82877828).

The spelling of 71052811 in words is "seventy-one million, fifty-two thousand, eight hundred eleven".